Cummins 9Pin to OBD2 and Molex 6Pin Diagnostic Cable Harness

2 month ago

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2 year

Product details

Fubon Harness is an experienced manufacturer dedicated to reliable wiring and connection solutions for automotive and commercial vehicle industries. We adhere to strict quality standards to deliver durable and high-performance products to global clients.

This Cummins 9Pin to OBD2 and Molex 6Pin Diagnostic Cable Harness is a professional wiring assembly designed for engine diagnosis and signal conversion. As a practical OBD diagnostic cable, it seamlessly connects Cummins 9Pin engine interfaces with standard OBD2 ports and Molex 6Pin connectors, realizing multi-channel signal transmission for maintenance and testing work.

Item	Description
Product Name	Cummins 9Pin to OBD2 and Molex 6Pin Diagnostic Cable Harness
Connector Configuration	• P1: Cummins 9Pin Male Connector, green assembled plastic housing with anti-detent slots, 9-pin layout for engine system connection • P2: Cummins 9Pin Female Connector, green assembled plastic housing, matching P1 male connector for pass-through signal transmission • P3: OBD-II 16Pin Female Connector, black flame-retardant plastic housing, standard 16-pin layout for vehicle diagnostic system connection • P4: MX-6Pin Male Connector, white plastic housing with locking structure, 6-pin layout for signal and power connection • P5: 2Pin Open Wire Terminal with 2A fuse, for auxiliary power or signal access • Integrated 5A fuse on the main branch for overcurrent protection of the OBD circuit
Length	• Main line total length (P1 to P2): 204 ± 10mm • Distance from P1 to fuse branch point: 30 ± 5mm • Distance from fuse branch to P3 OBD connector: 50 ± 5mm • Distance from P3 OBD connector to P4 MX-6Pin connector: 25 ± 5mm • Total length of 2A fuse branch (P5): 115 ± 5mm • Maximum overall length of the harness: 737 ± 10mm • Outer diameter of main line heat-shrink tubing: 10 ± 2mm
Electrical Performance	• 100% full-pin continuity tested, no shorts, opens, momentary breaks or miswiring • Dielectric withstand test: DC 300V / 10ms, no electrical breakdown • Conduction resistance: ≤2Ω MAX • Insulation resistance: ≥10MΩ MIN • Wire to terminal pull strength: 20AWG wire ≥6KG, 18AWG wire ≥9.08KG • Integrated 5A and 2A fuses provide reliable overcurrent protection for the circuit
Application Scenarios	• OBD diagnostic interface conversion for Cummins diesel engines, heavy-duty trucks and construction machinery • Signal transmission and power connection for automotive/commercial vehicle ECUs • Wiring harness conversion for diagnostic equipment and test benches • Wiring solutions for after-sales maintenance and modification of commercial vehicles • Engine system signal monitoring and power supply wiring for industrial equipment

Well-built with premium materials and precise craftsmanship, this vehicle diagnostic cable adapter features stable plugging performance and strong vibration resistance. Color-coded internal wires and neatly structured branches simplify wiring work and reduce connection errors during field use.

Functioning as a versatile OBD diagnostic adapter, it is widely applied to heavy-duty trucks, engineering machinery and Cummins engine systems. It supports quick fault detection, data reading and routine maintenance, becoming an essential tool for vehicle repair and technical inspection.

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Main Product: OBDII CABLE, Automotive Cable Assembly, Automotive Cables, Automotive Wiring Harness, Custom Wiring Harness , Energy Storage Harness

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